Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary Colleen Donnelly, M.D.

Addiction Medicine (Psychiatry & Neurology) Physician in Prescott, AZ · enumerated 2006 · practices at Prescott Vamc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1891896726

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary Colleen Donnelly

Credential M.D.

Sex Female

Practice address 500 N. Hwy 89, Northern Arizona Va Hcs, Prescott, AZ, 86313

Phone (928) 445-4860

Enumeration date Sep 25, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2084A0401X Addiction Medicine (Psychiatry & Neurology) Physician Allopathic & Osteopathic Physicians · License D42636 (MD) Secondary

2084A0401X Addiction Medicine (Psychiatry & Neurology) Physician Allopathic & Osteopathic Physicians · License 25942 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mary Donnelly?

The National Provider Identifier (NPI) for Mary Donnelly is 1891896726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Donnelly practice?

The practice location on file with NPPES is in Prescott, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.